... and Competitive Price 3, Professional Service Komatsu Excavator Hydraulic Cylinder, Piston Rod, Cylinder Head, Shaft Nut, Cushion Collar, Collar, ... P;2, Cylinder barrel inner diameted (cylinder diameter)D3, Piston rod external diameter (rod diameter)d4, Locating distance L5, ... : GB8713-88 High Quality Komatsu Excavator Hydraulic Cylinder, Piston Rod, Cylinder Head, Shaft Nut, Cushion Collar, Collar, ...